tsconfig.base.json

{
    "compilerOptions": {
      "moduleResolution": "Node",
      "strict": true,
      "allowJs": true,
      "alwaysStrict": true /* Parse in strict mode and emit "use strict" for each source file. */,
      "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
      "noImplicitThis": true /* Raise error on 'this' expressions with an implied 'any' type. */,
      "strictNullChecks": true /* Enable strict null checks. */,
      "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
      "suppressImplicitAnyIndexErrors": true /* Suppresses errors about implicit anys when indexing into objects. */,
      "sourceMap": true,
      "removeComments": true /* Do not emit comments to output. */,
      "declaration": true,
      "declarationMap": true,
      "resolveJsonModule": true,
      "esModuleInterop": true,
      "noUnusedLocals": true,
      "noUnusedParameters": true,
      "experimentalDecorators": true,
      "emitDecoratorMetadata": true,
      "skipLibCheck": true, /* Skip type checking of declaration files. */
      "forceConsistentCasingInFileNames": true, /* Disallow inconsistently-cased references to the same file. */
    },
    "exclude": ["**/node_modules", "**/.*/"]
  }